Scope and Contents: The Herrin conspiracy, a comprehensive story of the slaughter as presented by investigators and eye-witnesses. Published by the National Coal Association in 1922. Part of the national coal strike of 1922, where: "The only outbreak during the strike occurred at Herrin, Ill., where one of the southern Illinois coal companies, in a 100 per cent union community, imported strike breakers under armed guards. After two miners were killed, an armed mob attacked the strike-breakers and guards, killing 19 and wounding a number of others. On January 19, 1923, the first trial of 5 miners charged with the attack ended in their acquittal."